Haha, that would be awesome! Use the Scangauge as a speedo. Heck, you could probably even just go without the speedo all together if you made the installation of the scangauge permanent instead of just strapping it to the top of the dash! Might even take some load off the engine since it's only having to run the scangauge and it will remove (minimal) weight from the car. I would love to see it if you do that, I never thought of using one that way before.
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